Figure 68. Reproduction of a Schmidt net of 20-centimeter diameter for use in 

 petrofabric work. (After Cloos.) 



Figure 69. 470 quartz axes showing Figure 70. 134 cleavage poles of bio- 

 maxima about b. Contours 4-2-1 per- tite forming a girdle parallel to a-c 

 cent. (Modified from Fairbairn.) with maximum about c. Contours 8-6- 



4-2-1 percent. (After Fairbairn.) 



